Dexmedetomidine sedation reduces atrial fibrillation after cardiac surgery compared to propofol: a randomized controlled trial

Table 3 Details of sedation and analgesia in propofol and dexmedetomidine groups

	Propofol (n = 44)	Dexmedetomidine (n = 44)	P value
RASS at 4 h	-2 (-3 to -1)	-2 (-2 to -1)	0.488
VAS at 24 h	1.0 (1-2)	1.5 (1-2)	0.935
Extra analgesic requirements^a	4 (9.1)	5 (11.4)	>0.999
Infusion speed at 4 h, mg/kg/h or μg/kg/h	0.98 (0.77 to 1.23)	0.68 (0.48 to 0.82)
Total dosage, mg or μg	900 (625 to 1100)	572 (448 to 720)
Infusion time, minutes	889 (645 to 1000)	870 (725 to 1019)	0.537

Data are presented as the median (interquartile range) or n (%). ^aNumber of patients who received extra analgesic treatment within 24 h after surgery. RASS Richmond agitation-sedation scale, VAS visual analog scale

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